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From Lefty Leverenz <leftylever...@gmail.com>
Subject Re: Hive optimizer
Date Thu, 04 Feb 2016 08:06:00 GMT
You can find Hive CBO information in Cost Based Optimizer in Hive
<https://cwiki.apache.org/confluence/display/Hive/Cost-based+optimization+in+Hive>
.

-- Lefty


On Wed, Feb 3, 2016 at 11:48 AM, John Pullokkaran <
jpullokkaran@hortonworks.com> wrote:

> Its both.
> Some of the optimizations are rule based and some are cost based.
>
> John
>
> From: Ashok Kumar <ashok34668@yahoo.com>
> Reply-To: "user@hive.apache.org" <user@hive.apache.org>, Ashok Kumar <
> ashok34668@yahoo.com>
> Date: Wednesday, February 3, 2016 at 11:45 AM
> To: User <user@hive.apache.org>
> Subject: Hive optimizer
>
>   Hi,
>
> Is Hive optimizer a cost based Optimizer (CBO) or a rule based optimizer
> (CBO) or none of them.
>
> thanks
>

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